0
Nitrogen FAQ
April 10th, 2017
I know nitrogen is not metabolized by the body, and I've read that tech divers are facing issues with helium bends. Is the size of the molecules relevant? Helium molecules are smaller and lighter tha... Read More
0
Elderly Divers FAQ
April 10th, 2017
I am 79 years old and healthy. I have not been diving in several years and would like to get back into it. Are there any recommendations, prohibitions or limitations for a diver my age? Please note ... Read More
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Eye Surgery FAQ
April 10th, 2017
I underwent a type of eye surgery called a trabeculectomy last year, and I wonder whether this has any implications for scuba diving. Trabeculectomy, a surgical procedure commonly used to treat glau... Read More
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Fluid in the Ear FAQ
April 10th, 2017
I've occasionally had problems clearing my ears, particularly my right ear, and I take medication for allergies and nasal congestion. A couple of months ago I got a sinus infection, and in the weeks ... Read More
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Anticoagulant Medication FAQ
April 10th, 2017
Recently my doctor took me off warfarin and prescribed a newer anticoagulant, dabigatran. Are there any concerns regarding scuba diving while taking this medication? This is a great question and one ... Read More
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Hydration FAQ
April 10th, 2017
If 1.5 gallons of water is considered too much to drink (From the Medical Line, Fall 2014), what is your recommendation? Would it not depend on the environment and activity? When I worked as a river ... Read More
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Jet Lag FAQ
April 10th, 2017
My next dive trip is taking me across the world. Whenever I cross time zones, I suffer relatively severe jet lag, which affects my ability to dive safely. What might I do to minimize the effects of j... Read More
1
Hyperbaric Chamber FAQ
April 10th, 2017
I have heard that it's not uncommon for hyperbaric chambers — even ones that treat divers — to refuse to receive certain patients. Why is this? We are aware of this issue, which we recently discusse... Read More
7
COPD FAQ
April 10th, 2017
My doctor recently diagnosed me with mild COPD. Can I still dive with this condition? What are the risks? Chronic obstructive pulmonary disease (COPD), also known as chronic obstructive lung disease... Read More
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Nitrox FAQ
April 10th, 2017
On a recent dive trip, my buddies and I dived using 30 percent nitrox. Beyond our maximum operating depth was a big turtle that my buddies wanted to photograph. They decided to take deep breaths and h... Read More
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Diving with Cancer
April 10th, 2017
Whether experienced or newly qualified, all divers who have been diagnosed with cancer need to re-evaluate their fitness to dive.
There are more than 200 types of cancers affecting 60 different org... Read More
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Medication & Drug Use
April 10th, 2017
Dr Cecilia Roberts delves into the ever notorious topic regarding the use of medication or drugs during diving.
We receive numerous queries via the DAN-SA hotline and portal asking whether it is sa... Read More
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Time & Recovery
April 10th, 2017
Diver No. 1
The diver was a 45-year-old, healthy female with reasonably good physical fitness. She had been certified for five years and had done 15 dives in the previous year. She had no problems o... Read More
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Snorkels: Pros & Cons
April 10th, 2017
The snorkel has been considered a standard piece of diving equipment for decades. It provides the simple but useful ability to swim face down on the surface without having to lift your head to breath... Read More
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A Field Guide to Minor Mishaps
April 10th, 2017
Adventurous travelers go to great lengths to prepare for serious medical emergencies, but it’s often mundane and seemingly simple problems that interrupt trips or impair our ability to enjoy them. Pr... Read More
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Incident Insight: Triage
April 10th, 2017
The profound importance of Triage decisions made by physicians is applied to multiple patients to determine which patient should receive medical care first.
In situations involving multiple patient... Read More
2
Lighting Ergonomics
March 16th, 2017
THE RISKS ASSOCIATED WITH LIGHTING IN A DIVING BUSINESS
Good lighting is important in any business in order to maintain a safe, healthy and productive workspace. This is also true for diving busines... Read More
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The Social Responsibility of Recreational SCUBA Diving - Part 2
February 3rd, 2017
When pondering on an issue that affects the psychological character of man, I find the following excerpt from motor vehicle driving research undertaken, summing up human behaviour, as follows: “I... Read More
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The Social Responsibility of Recreational SCUBA Diving - Part 1
January 27th, 2017
This thread started in response to comments received on Loss of Consciousness Underwater, and concerns that divers with undeclared medical problems are jeopardizing the safety of others.
I truly app... Read More
0
Smoking & Diving
December 15th, 2016
The negative health effects of smoking are largely known. It is generally advised that smoking and diving are two activities best not performed together. Yet, for some, the habit is hard to break. Na... Read More
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Diving Under the Influence
December 15th, 2016
Recreational scuba diving is enjoyable and it is meant to be so. However, there is a fine line between fun-seeking and hedonism and without an essential sense of responsibility and an awareness of th... Read More
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Is Your Child Ready to Dive?
December 15th, 2016
Is your child interested in scuba diving and you are at a loss for whether they are prepared? Then read on to find out all the issues which need consideration and whether your child is ready to dive.... Read More
5
Vertigo in the Diving Environment
December 14th, 2016
Learn about the different types of vertigo that divers experience and how they can be avoided.
Anyone who has ever experienced the feeling of vertigo will surely agree with Bono’s words in the U2 s... Read More
9
Understanding Alternobaric Vertigo
December 14th, 2016
The unequal equalisation of one’s ears can cause a type of dizziness described as alternobaric vertigo, a common cause of vertigo that occurs in divers.
THE PRESSURE ENVIRONMENT
Learning how to equ... Read More
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Terrific Freedive ModeKaboom!....The Big Oxygen Safety IssueScuba Nudi ClothingThe Benefits of Being BaldDive into Freedive InstructionCape Marine Research and Diver DevelopmentThe Inhaca Ocean Alliance.“LIGHTS, Film, Action!”Demo DiversSpecial Forces DiverWhat Dive Computers Don\'t Know | PART 2Toughing It Out Is Dangerous
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Mismatched Scuba Valves to Cylinder OutletsUnderwater Crime Scene InvestigatorsDive Boat Etiquette – From Yachts to rubber ducksTravel Smarter: Personal Safety While TravelingLiability in ContextLearning from Success. Learning from MistakeDive in the Fast Lane with DPVsKwaZulu Natal shipwrecks: The ProduceAvoid Diving With EarplugsThe Parting Shot